vimrc: Added list of vim-plugin, removed others.
vimrc: Added list of vim-plugin, removed others.

- Several plugins were added (most commented out)
- Removed vim-ctrlspace settings
- Removed fzf.vim
- Added denite.vim for testing
- Added µComplete to testing
- Several other plugin settings were removed or updated

bfrg/dotfiles,bfrg/dotfiles,bfrg/dotfiles,bfrg/dotfiles